Home / 441,046,271.70-661,569,407.55-419,522,911.20

Finding the Fourth Proportional to 441,046,271.70, 661,569,407.55 and 419,522,911.20

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Solution

The fourth proportional to 441,046,271.70, 661,569,407.55 and 419,522,911.20 is: 629,284,366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,046,271.70 : 661,569,407.55 = 419,522,911.20 : x
  2. Step 2: Convert to fraction form
    441,046,271.70/661,569,407.55 = 419,522,911.20/x
  3. Step 3: Cross multiply
    441,046,271.70x = 661,569,407.55 × 419,522,911.20
  4. Step 4: Simplify right side
    441,046,271.70x = 277,543,523,816,235,232
  5. Step 5: Solve for x
    x = 277,543,523,816,235,232/441,046,271.70
  6. Step 6: Final answer
    x = 629,284,366.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.